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Finding the Fourth Proportional to 269,776.40, 404,897.85 and 103,681.04

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Solution

The fourth proportional to 269,776.40, 404,897.85 and 103,681.04 is: 155,611.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    269,776.40 : 404,897.85 = 103,681.04 : x
  2. Step 2: Convert to fraction form
    269,776.40/404,897.85 = 103,681.04/x
  3. Step 3: Cross multiply
    269,776.40x = 404,897.85 × 103,681.04
  4. Step 4: Simplify right side
    269,776.40x = 41,980,230,181.76
  5. Step 5: Solve for x
    x = 41,980,230,181.76/269,776.40
  6. Step 6: Final answer
    x = 155,611.20

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.